DE69532982T2 - Drahtloses Telefon - Google Patents
Drahtloses Telefon Download PDFInfo
- Publication number
- DE69532982T2 DE69532982T2 DE69532982T DE69532982T DE69532982T2 DE 69532982 T2 DE69532982 T2 DE 69532982T2 DE 69532982 T DE69532982 T DE 69532982T DE 69532982 T DE69532982 T DE 69532982T DE 69532982 T2 DE69532982 T2 DE 69532982T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- transmission
- transmission timing
- timing signal
- synchronization signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims description 103
- 238000004891 communication Methods 0.000 claims description 11
- 238000010295 mobile communication Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 229920000729 poly(L-lysine) polymer Polymers 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
- H04W56/007—Open loop measurement
- H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
- H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2681—Synchronisation of a mobile station with one base station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/36—Reselection control by user or terminal equipment
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16801394 | 1994-07-20 | ||
JP06168013A JP3075924B2 (ja) | 1994-07-20 | 1994-07-20 | 移動通信システムの移動局 |
JP6286546A JP2975857B2 (ja) | 1994-11-21 | 1994-11-21 | 無線通信装置 |
JP28654694 | 1994-11-21 | ||
JP29121094 | 1994-11-25 | ||
JP6291210A JP2902964B2 (ja) | 1994-11-25 | 1994-11-25 | ディジタル携帯電話機 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69532982D1 DE69532982D1 (de) | 2004-06-09 |
DE69532982T2 true DE69532982T2 (de) | 2005-04-14 |
Family
ID=27322943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69532982T Expired - Fee Related DE69532982T2 (de) | 1994-07-20 | 1995-07-20 | Drahtloses Telefon |
Country Status (3)
Country | Link |
---|---|
US (1) | US5764648A (fr) |
EP (1) | EP0693835B1 (fr) |
DE (1) | DE69532982T2 (fr) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6061409A (en) * | 1996-06-27 | 2000-05-09 | Matsushita Electric Industrial Co., Ltd. | Synchronization recovery for a mobile telephone |
US6069901A (en) * | 1996-12-04 | 2000-05-30 | Philips Electronics North America Corporation | Use of energy bursts for wireless networks |
US5930268A (en) * | 1996-12-20 | 1999-07-27 | Motorola, Inc. | Transceiver and associated method for surviving fades |
US5887267A (en) * | 1997-04-04 | 1999-03-23 | Ericsson Inc. | Bus arbitrators for common local oscillators in cellular radiotelephone base stations |
US6542481B2 (en) | 1998-06-01 | 2003-04-01 | Tantivy Communications, Inc. | Dynamic bandwidth allocation for multiple access communication using session queues |
US6081536A (en) | 1997-06-20 | 2000-06-27 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US6459331B1 (en) * | 1997-09-02 | 2002-10-01 | Kabushiki Kaisha Toshiba | Noise suppression circuit, ASIC, navigation apparatus communication circuit, and communication apparatus having the same |
US6222832B1 (en) | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US7936728B2 (en) | 1997-12-17 | 2011-05-03 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US7394791B2 (en) | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
US6470035B1 (en) * | 1998-03-03 | 2002-10-22 | Rohm Co., Ltd. | Receiver for receiver a signal transmitted by a time-division multi-access method |
US6263192B1 (en) * | 1998-05-07 | 2001-07-17 | Uniden America Corporation | Methods and apparatus for DC-DC converter synchronization in a mobile DC-powered device |
US8134980B2 (en) | 1998-06-01 | 2012-03-13 | Ipr Licensing, Inc. | Transmittal of heartbeat signal at a lower level than heartbeat request |
AU1743600A (en) * | 1998-11-24 | 2000-06-13 | Hughes Electronics Corporation | Transmit timing control messages rate reduction in a communication system by using the rate of change of a timing information |
JP3244481B2 (ja) * | 1999-02-05 | 2002-01-07 | 三洋電機株式会社 | 携帯電話機 |
AU3673001A (en) | 2000-02-07 | 2001-08-14 | Tantivy Communications, Inc. | Minimal maintenance link to support synchronization |
JP3656526B2 (ja) | 2000-07-17 | 2005-06-08 | 株式会社日立製作所 | 無線通信基地局、無線位置測定システム、送信タイミング測定装置ならびに位置測定センタ装置 |
KR100346211B1 (ko) * | 2000-10-19 | 2002-08-01 | 삼성전자 주식회사 | 이동통신단말기에서 송수신용 국부발진신호 발생장치 및방법 |
US8155096B1 (en) | 2000-12-01 | 2012-04-10 | Ipr Licensing Inc. | Antenna control system and method |
US6954448B2 (en) | 2001-02-01 | 2005-10-11 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
US7551663B1 (en) | 2001-02-01 | 2009-06-23 | Ipr Licensing, Inc. | Use of correlation combination to achieve channel detection |
US20020159434A1 (en) * | 2001-02-12 | 2002-10-31 | Eleven Engineering Inc. | Multipoint short range radio frequency system |
US6810236B2 (en) | 2001-05-14 | 2004-10-26 | Interdigital Technology Corporation | Dynamic channel quality measurement procedure for adaptive modulation and coding techniques |
KR100665077B1 (ko) | 2001-06-13 | 2007-01-09 | 탄티비 커뮤니케이션즈 인코포레이티드 | 하트비트 요구보다 낮은 레벨로의 하트비트 신호의 전송 |
JP4012032B2 (ja) * | 2001-11-20 | 2007-11-21 | キヤノン株式会社 | データ通信装置 |
KR100780155B1 (ko) * | 2001-12-20 | 2007-11-27 | 엘지노텔 주식회사 | 제어국과 기지국간 전달 채널에 대한 동기 유지 방법 |
DE102004022147A1 (de) * | 2004-05-05 | 2005-12-01 | Siemens Ag | Verfahren zum Durchführen von Messungen durch eine Mobilstation eines Funkkommunikationssystems sowie entsprechende mobile Station und Einheit für ein Funkkommunikationssystem |
GB2452288A (en) * | 2007-08-29 | 2009-03-04 | Nokia Siemens Networks Oy | Timing of wireless transmissions using a common channel |
CN106533495B (zh) * | 2015-09-09 | 2019-02-19 | 启碁科技股份有限公司 | 适用于双频段工作的无线通信装置及无线传输方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2812774A1 (de) * | 1978-03-23 | 1979-09-27 | Georg Dipl Phys Dr Heil | Verfahren und vorrichtung zur bereitstellung von synchronisationsimpulsen |
DE3200965A1 (de) * | 1982-01-14 | 1983-07-21 | Siemens AG, 1000 Berlin und 8000 München | Nachbarfunkzellen-organisationskanal-verweissystem |
EP0261127B2 (fr) * | 1986-03-25 | 2005-07-20 | Motorola, Inc. | Systeme de communication a multiplexage temporel permettant une utilisation efficace du spectre des frequences |
US5040195A (en) * | 1988-12-20 | 1991-08-13 | Sanyo Electric Co., Ltd. | Synchronization recovery circuit for recovering word synchronization |
JPH02172391A (ja) * | 1988-12-26 | 1990-07-03 | Toshiba Corp | 衛星通信システム |
NL8901000A (nl) * | 1989-04-20 | 1990-11-16 | Ericsson Paging Systems | Werkwijze voor het in een personenoproepstelsel uitzenden en na ontvangst weergeven van een boodschap, en een voor het uitvoeren van een deze werkwijze geschikt personenoproepstelsel. |
CA2030641C (fr) * | 1989-11-24 | 1994-05-31 | Yasushi Yamao | Materiel de radiocommunication pour station mobile et methodde changement de canal pour ce materiel |
JPH03268697A (ja) * | 1990-03-19 | 1991-11-29 | Fujitsu Ltd | 移動無線通信方式 |
JPH0494228A (ja) * | 1990-08-09 | 1992-03-26 | Matsushita Electric Ind Co Ltd | ダイナミックチャネル割当方法 |
JP2623375B2 (ja) * | 1991-03-07 | 1997-06-25 | 松下電器産業株式会社 | データ受信装置 |
JP2983334B2 (ja) * | 1991-07-22 | 1999-11-29 | 株式会社東芝 | 無線通信システムおよびこのシステムで使用される無線通信装置 |
JP3087448B2 (ja) * | 1992-06-04 | 2000-09-11 | 日本電気株式会社 | Tdma通信同期制御回路 |
JPH0690202A (ja) * | 1992-09-08 | 1994-03-29 | Nippon Telegr & Teleph Corp <Ntt> | 基地局間フレーム同期方式 |
JPH0779329B2 (ja) | 1993-03-22 | 1995-08-23 | モトローラ・インコーポレイテッド | 時分割多重通信システムにおいて使用される送受信装置及び無線周波通信チャネルのスペクトラムを効率的に利用する方法 |
US5384828A (en) * | 1993-10-18 | 1995-01-24 | Motorola, Inc. | Method and apparatus for synchronization in a wireless telephone system |
-
1995
- 1995-07-14 US US08/502,684 patent/US5764648A/en not_active Expired - Lifetime
- 1995-07-20 EP EP95111446A patent/EP0693835B1/fr not_active Expired - Lifetime
- 1995-07-20 DE DE69532982T patent/DE69532982T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5764648A (en) | 1998-06-09 |
DE69532982D1 (de) | 2004-06-09 |
EP0693835A2 (fr) | 1996-01-24 |
EP0693835A3 (fr) | 1999-02-24 |
EP0693835B1 (fr) | 2004-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KYOCERA CORP., KYOTO, JP Owner name: TOTTORI SANYO ELECTRIC CO., LTD., TOTTORI, JP |